The Thread Of Life

Question 1

If you double the reactants concentration and the rate stays the same what order is it?

Answer 1

0

Question 2

What happens to the reactants concentration and the rate when the order is 1?

Answer 2

The reactants concentration doubles and the rate doubles

Question 3

What makes the rate constant higher?

Answer 3

A higher temperature

Question 4

What is the rate equations?

Answer 4

Rate= K [A]m [B]n

Question 5

What is the rate determining step?

Answer 5

Slowest step in a multi step reaction

Question 6

Why does protonated mean?

Answer 6

Gaining a proton

Question 7

What is a zwitterion? Give an example

Answer 7

A dipolar ion- positive and negative charge in different parts of the molecule. Amino acid

Question 8

If an amino acid are in conditions more acidic what happens?

Answer 8

A positive charge on the NH3 which is likely to be protonated

Question 9

In conditions more basic an amino acid would do what?

Answer 9

-COOH group is likely to lose protons. A negative charge on the O single Bond

Question 10

What 4 forces hold the tertiary structure together?

Answer 10

Id-Id , ionic, hydrogen and disulfide bridges.

Question 11

What is a peptide bond?

Answer 11

-CONH-

Question 12

What are enantiomers?

Answer 12

They are mirrors images which can’t be superimposed

Question 13

Name 5 ways to measure the rate of reaction

Answer 13

pH measurement 
Gas volume 
Loss of mass
Colour change (colorimeter) 
Titration

Question 14

What order has constant half lives?

Answer 14

First